MESON Chess Problem Database

Problem Display
PID: 108230 (8/8/8/8/2Q5/2K5/4p3/3kn3 w - - 0 1)

Buglos, Janos

Fleck MT, 1996

8/8/8/8/2Q5/2K5/4p3/3kn3

#2

2 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qxe2+?
      • 1...Kc1
        • 2.Qxe1#
      • 1...Kxe2!
    • 1.Qb3+?
      • 1...Sc2
        • 2.Qb1#
      • 1...Kc1!
    • 1.Qa4+?
      • 1...Kc1
        • 2.Qa1#
      • 1...Sc2!
  • Keys
    • 1.Qa2!
      • threat
        • 2.Qb1#
        • 2.Qa1#
        • 2.Qd2#
      • 1...Kc1
        • 2.Qa1#
      • 1...Sc2
        • 2.Qb1#
      • 1...Sd3
        • 2.Qd2#
      • 1...Sf3
        • 2.Qb1#
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK,XP(c)
      • Vars
        • K(a);P-FLIGHT::QAR2(B),XS(b)
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • S(b);P_SPINS(b)::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • S(b);P_SPINS(b)
  • Actual
    • Q(B);
    • Threat
      • DUALS(3)
    • Vars
      • K(a);P-FLIGHT::QAR2(B)
      • S(b);::QAR2(B)
      • S(b);::QAR1(B)
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